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. Author manuscript; available in PMC: 2019 Oct 1.
Published in final edited form as: Cancer Lett. 2018 Jul 6;433:259–272. doi: 10.1016/j.canlet.2018.07.004

Fig. 3. Effect of SIS on ABCB1 protein expression in human KB-V-1 epidermal cancer cells and ABCG2 in human H460-MX20 lung cancer cells.

Fig. 3.

Immunoblot detection and quantification of (A) human ABCB1 in drug-sensitive human KB-3–1 cells and ABCB1-overexpressing KB-V-1 cells, or (B) human ABCG2 in drug-sensitive H460 cells and ABCG2-overexpressing H460-MX20 cells treated with DMSO (vehicle control) or increasing concentrations (0.1 – 1.0 μM) of SIS3 for 72 h according to the method described previously [65]. α-Tubulin was used as an internal loading control. Values are presented as mean ± S.D. calculated from three independent experiments.